| 摘要 |
<p>The wooden core extends over the area of bat and handle, and is of lightweight wood such as balsa, being enclosed in a coating, if necessary in several layers, of wood appreciably harder. The layer can be made up of a combination of several different sorts of hard wood, and the grip can be of the same material as the core. The harder wood which may be glued to the balsa core may be deal or fir.</p> |
